ICD-10-CM K42 is the diagnosis code for Umbilical hernia. This code falls under the section "Hernia" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as K42. They are mutually exclusive:
Understanding where K42 sits in the ICD-10-CM classification helps ensure proper coding:
No, K42 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
K42 is the ICD-10-CM diagnosis code for "Umbilical hernia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
K42 is located in Section K40-K46 — "Hernia" within Chapter 11 of the ICD-10-CM Tabular List.
K42 has 3 sub-code(s) that provide more specific detail: K42.0, K42.1, K42.9.
Use K42 when the patients documented diagnosis matches "Umbilical hernia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Umbilical hernia is K42.
No, K42 is non-billable. Use a more specific sub-code for primary diagnosis billing.
K42 is in Chapter 11 of the ICD-10-CM Tabular List.
Type 1 Excludes for K42 include: omphalocele (Q79.2).
Yes, K42 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.